Trailer Hitch Adapter Sleeve 2.5 - 2.0 Inch is a direct fit for the following:

2007-2020 Chevrolet Silverado 2500 HD
2007-2020 Chevrolet Silverado 3500 HD
2007-2020 GMC Sierra 2500 HD
2007-2020 GMC Sierra 3500 HD

Genuine GM Part Number: 15923277